<template>
  <van-nav-bar
    left-arrow
    title="手机号登录"
    :border="false"
    @click-left="$router.back()"
  />
</template>
<script></script>
<style>
:root {
  --van-nav-bar-arrow-size: .15rem;
  --van-nav-bar-icon-color: #333;
}
</style>
